1272758-14-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1272758-14-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,7,5 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1272758-14:
(9*1)+(8*2)+(7*7)+(6*2)+(5*7)+(4*5)+(3*8)+(2*1)+(1*4)=171
171 % 10 = 1
So 1272758-14-1 is a valid CAS Registry Number.